third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef ServiceWorkerGlobalScope_h
#define ServiceWorkerGlobalScope_h

#include "bindings/modules/v8/RequestOrUSVString.h"
#include "core/workers/WorkerGlobalScope.h"
#include "modules/ModulesExport.h"
#include "platform/heap/Handle.h"
#include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
#include "wtf/Assertions.h"
#include "wtf/Forward.h"
#include <memory>

namespace blink {

class Dictionary;
class Request;
class ScriptPromise;
class ScriptState;
class ServiceWorkerClients;
class ServiceWorkerRegistration;
class ServiceWorkerThread;
class WaitUntilObserver;
class WorkerThreadStartupData;

typedef RequestOrUSVString RequestInfo;

class MODULES_EXPORT ServiceWorkerGlobalScope final : public WorkerGlobalScope {
    DEFINE_WRAPPERTYPEINFO();
public:
    static ServiceWorkerGlobalScope* create(ServiceWorkerThread*, std::unique_ptr<WorkerThreadStartupData>);

    ~ServiceWorkerGlobalScope() override;
    bool isServiceWorkerGlobalScope() const override { return true; }

    // WorkerGlobalScope
    void didEvaluateWorkerScript() override;

    // ServiceWorkerGlobalScope.idl
    ServiceWorkerClients* clients();
    ServiceWorkerRegistration* registration();

    ScriptPromise fetch(ScriptState*, const RequestInfo&, const Dictionary&, ExceptionState&);

    ScriptPromise skipWaiting(ScriptState*);

    void setRegistration(std::unique_ptr<WebServiceWorkerRegistration::Handle>);

    // EventTarget
    const AtomicString& interfaceName() const override;

    void dispatchExtendableEvent(Event*, WaitUntilObserver*);

    DEFINE_ATTRIBUTE_EVENT_LISTENER(install);
    DEFINE_ATTRIBUTE_EVENT_LISTENER(activate);
    DEFINE_ATTRIBUTE_EVENT_LISTENER(fetch);
    DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
    DEFINE_ATTRIBUTE_EVENT_LISTENER(foreignfetch);

    DECLARE_VIRTUAL_TRACE();

protected:
    // EventTarget
    DispatchEventResult dispatchEventInternal(Event*) override;
    bool addEventListenerInternal(const AtomicString& eventType, EventListener*, const AddEventListenerOptions&) override;

private:
    ServiceWorkerGlobalScope(const KURL&, const String& userAgent, ServiceWorkerThread*, double timeOrigin, std::unique_ptr<SecurityOrigin::PrivilegeData>, WorkerClients*);
    void importScripts(const Vector<String>& urls, ExceptionState&) override;
    CachedMetadataHandler* createWorkerScriptCachedMetadataHandler(const KURL& scriptURL, const Vector<char>* metaData) override;
    void logExceptionToConsole(const String& errorMessage, std::unique_ptr<SourceLocation>) override;
    void scriptLoaded(size_t scriptSize, size_t cachedMetadataSize) override;

    Member<ServiceWorkerClients> m_clients;
    Member<ServiceWorkerRegistration> m_registration;
    bool m_didEvaluateScript;
    bool m_hadErrorInTopLevelEventHandler;
    unsigned m_eventNestingLevel;
    size_t m_scriptCount;
    size_t m_scriptTotalSize;
    size_t m_scriptCachedMetadataTotalSize;
};

DEFINE_TYPE_CASTS(ServiceWorkerGlobalScope, ExecutionContext, context, context->isServiceWorkerGlobalScope(), context.isServiceWorkerGlobalScope());

} // namespace blink

#endif // ServiceWorkerGlobalScope_h